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Broken "spotter" seat on 93 SN |
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8122pbrainard 
Grand Poobah 
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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 Topic: Broken "spotter" seat on 93 SNPosted: June-07-2013 at 9:46pm |
I agree. Some CPES on exterior ply and you will be good to go. |
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ChristinesMarine
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Joined: December-01-2011 Location: Orlando, FL Status: Offline Points: 223 |
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Posted: June-07-2013 at 8:05pm |
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You have to take the upholstery and foam off the board to glue it back together with the PVC cement or the PVC cement will eat up the foam and vinyl!
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jbosse1
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Joined: April-10-2013 Location: 60174 Status: Offline Points: 56 |
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Posted: June-06-2013 at 10:09am |
This is very helpful. Thank you. I am going to see what I can do to get it supported, without having to pull the upholstry off of the base. |
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: June-05-2013 at 12:57pm |
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OK - Marine Grade was an overshot. Pressure treated would work fine.
Here's a shot I took of my two 1993 observers seats. Apparently the one on the right is the correct composite material. That's the tree boat. The one on the left is plywood and came from my ski-school boat. I'm guessing this was re-upholstered at some point in the past as the vinyl material for the seat is a very different type of vinyl. I'd sure love some more history about my hull.... 
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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ChristinesMarine
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Joined: December-01-2011 Location: Orlando, FL Status: Offline Points: 223 |
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Posted: June-05-2013 at 10:56am |
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The material used is expanded PVC, basically the same as PVC pipe. It can be repaired with heavy duty clear PVC pipe cement applied very liberally on both surfaces to be joined, clamp and leave for 24 hours. It melts the pieces back together. This is more common a problem than you think. PVC will only give a little before it cracks. The carpet wraps over the top of the observer seat base so when the seat bottom is placed on top of the base it leaves a void between the base and seat bottom. As the screws are tightened, it pulls the PVC board down into the void and it will crack usually from screw hole to screw hole or to vent holes. We see this often on observer bottoms, coaming pads and walk thru walls. I believe it often occurs during assembly of the boat.
Tim, I agree with the PT plywood solution but we will, no doubt, experience the wrath of Pete for suggesting it ! |
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jbosse1
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Joined: April-10-2013 Location: 60174 Status: Offline Points: 56 |
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Posted: June-05-2013 at 10:37am |
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All great suggestions, gentlemen. Thanks! I'll report back what worked.
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gun-driver
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Joined: July-18-2008 Location: Pittsburgh, Pa Status: Offline Points: 4127 |
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Posted: June-05-2013 at 10:27am |
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My '95s broke on the front right corner also. As stated above I replaced it with a like piece of composite type material I got from a friend that makes signs.
My problem was that the material was a little heavier than original and the seat would not stay up when accessing things under the bow. A set of heavier engine cover struts fixed that problem. Someone on here epoxied it and then covered it with a layer of epoxy and glass that could also be an option. EDIT Tim just looked at mine. The gap he is talking about is where the seat bottom doesn't go all the way to the side wall then the seat over hangs to fill the gap over to the combing pad. |
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21184 |
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Posted: June-05-2013 at 10:03am |
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Marine grade ply is not needed unless youre building a boat hull... the last place I would use it is for a seat base!
If youre looking for a quick and easy solution, treated ply of the same thickness as the original base would work. A better solution would be to use a composite like was originally used. It is not common to hear of these breaking. I for one, would like to see pictures. I have looked at the '93 Ski Nautique observer seats pretty closely, and emulated that style on my '90. I cannot think of any overhang that approaches anywhere near 10" though, so Id like to see what youre looking at. Perhaps your use of "SN" means Sport Nautique (this is not the common use)? |
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KRoundy
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Joined: August-23-2010 Location: Lake Stevens Status: Offline Points: 1702 |
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Posted: June-05-2013 at 12:17am |
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1) Replace that board with marine-grade plywood. I have one seat from a '93 with plywood and another with something that looks like particle board on it.
2) The gas tank vent should be toward the starboard side just aft of the fuel filler port. If you are talking about the bilge vent opening in the back it would be odd for excessive fuel fumes to come from there. You should open the engine hatch and make sure the fumes are just coming from the carb. There is always some gas smell from a freshly run carb, but not very much so that it would be noticeable. You should definitely find the source as you could have a leak somewhere. Check the fuel lines, fuel filter, fuel pump etc. If you need pictures of any of this let me know. Kevin |
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Previous: 1993 Electric Blue/Charcoal Ski Nautique
Current: 2016 Ski Nautique 200 Open Bow |
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jbosse1
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Joined: April-10-2013 Location: 60174 Status: Offline Points: 56 |
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Posted: June-03-2013 at 7:20pm |
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Gentlemen - I was able to take my new (to me) 93' out for the first time this past weekend. The boat performed wonderfully. I am absolutely thrilled with my purchase. However, I have a couple of small things that I could use your advice on:
1) The hardboard support under the spotter seat is broken. It looks like a bad design to me. The cushion (and the hardboard support that it is attached to) anchor to the "lift up" portion. There is no support under the last 10" or so of the seat and someone (before I bought it) broke it. Could have been Two-Ton Tessy for all I know. At any rate - Has anyone else had this problem? If so, do you have a recommended material to replace (or support) the existing hardboard under the cusion? I may need to upload a pic if this does not make sense. 2) The gas tank vent. The vent is in the middle of the boat, right behind the rear seats. Is it normal to smell fairly significant gas fumes when the boat is sitting on the trailer after use? I have no reason to believe that I have a gas leak; however, the fumes coming out of the vent seem stronger than I would have guessed they would be. However, I have no context whatsoever here. Thanks in advance for your help! |
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TRBenj wrote: